A Grammatical Dictionary of Botanical Latin

bulbosus,-a,-um (adj.A): bulbous; “having the structure of a bulb; having bulbs” (Lindley); “may be applied to any swollen underground stem, not necessarily a bulb” (Stearn 1996); ‘swelling into a sphere at the lower part;’ (fungi) “(of the stipe) enlarged at the base; see also ‘abruptly bulbous,’ ‘clavate-bulbous’ and ‘round-bulbous’” (S&D); “resembling or suggesting a bulb esp. in roundness or in the gross enlargement of a part” (WIII); see swollen.